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общая лексика
Code Division Multiple Access, spread spectrum
многостанционный доступ с кодовым разделением каналов, МДКР
один из двух стандартов для цифровых сетей сотовой связи в США. Использует диапазоны частот 800 и 1900 МГц и так называемые шумоподобные сигналы (сигналы с расширенным спектром). Развитием стандарта занимается консорциум CDMA Development Group (CDG, www.cdg.org)
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A personal identification number (PIN), or sometimes redundantly a PIN number or PIN code, is a numeric (sometimes alpha-numeric) passcode used in the process of authenticating a user accessing a system.
The PIN has been the key to facilitating the private data exchange between different data-processing centers in computer networks for financial institutions, governments, and enterprises. PINs may be used to authenticate banking systems with cardholders, governments with citizens, enterprises with employees, and computers with users, among other uses.
In common usage, PINs are used in ATM or POS transactions, secure access control (e.g. computer access, door access, car access), internet transactions, or to log into a restricted website.